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java中xml解析器的應(yīng)用實(shí)例


xml解析中,通常大家讀文件,解析的時(shí)候沒(méi)有問(wèn)題,但是在寫文件的時(shí)候常常會(huì)碰到亂碼等問(wèn)題,就我的個(gè)人體會(huì)是一般只要在寫文件的時(shí)候采用文件流的形式,設(shè)置好當(dāng)前的編碼方式,通常就會(huì)避免此類問(wèn)題的發(fā)生!下面有兩個(gè)簡(jiǎn)單的分別是采用jdom和dom4j實(shí)現(xiàn)的例子:

    1、dom4j

    package org.lyj.xml;

    import java.io.OutputStream;

    import java.io.UnsupportedEncodingException;

    import org.dom4j.Document;

    import org.dom4j.Element;

    import java.io.FileWriter;

    import org.dom4j.io.OutputFormat;

    import org.dom4j.Namespace;

    import org.dom4j.io.XMLWriter;

    import java.io.File;

    import java.io.IOException;

    import org.dom4j.DocumentHelper;

    /**

    * <p>Title: </p>

    *

    * <p>Description: </p>

    *

    * <p>Copyright: Copyright (c) 2005</p>

    *

    * <p>Company: </p>

    *

    * @author not attributable

    * @version 1.0

    */

    public class Dom4jTest {

    public void generateDocument() {

    org.dom4j.DocumentFactory df = new org.dom4j.DocumentFactory();

    Document document = df.createDocument();//.createDocument();

    Element catalogElement = document.addElement("catalog");

    catalogElement.addComment("An XML Catalog");

    catalogElement.addProcessingInstruction("target", "text");

    Element journalElement = catalogElement.addElement("journal");

    journalElement.addAttribute("title", "XML Zone");

    journalElement.addAttribute("publisher", "IBM developerWorks");

    Element articleElement = journalElement.addElement("article");

    articleElement.addAttribute("level", "Intermediate");

    articleElement.addAttribute("date", "December-2001");

    Element titleElement = articleElement.addElement("title");

    titleElement.setText("Java configuration with XML Schema");

    Element authorElement = articleElement.addElement("author");

    Element firstNameElement = authorElement.addElement("錄音機(jī)");

    firstNameElement.setText("Marcello");

    Element lastNameElement = authorElement.addElement("劉");

    lastNameElement.setText("Vitaletti");

    document.addDocType("catalog",

    null, "file://c:/Dtds/catalog.dtd");

    document.setXMLEncoding("gb2312");

    try {

    OutputFormat of = OutputFormat.createCompactFormat();

    of.setEncoding("gb2312");

    XMLWriter output = new XMLWriter(

    new java.io.FileOutputStream(new File("c:/catalog/catalog.xml")),of);

    output.write(document);

    output.close();

    } catch (IOException e) {

    System.out.println(e.getMessage());

    }

    }

    public static void main(String[] argv) {

    Dom4jTest dom4j = new Dom4jTest();

    dom4j.generateDocument();2、jdom

    package org.lyj.xml;

    import org.jdom.output.Format;

    import org.jdom.Document;

    import java.io.IOException;

    import org.jdom.input.SAXBuilder;

    import org.jdom.output.XMLOutputter;

    import org.jdom.JDOMException;

    /**

    * <p>Title: </p>

    *

    * <p>Description: </p>

    *

    * <p>Copyright: Copyright (c) 2005</p>

    *

    * <p>Company: </p>

    *

    * @author not attributable

    * @version 1.0

    */

    public class JdomWriter {

    public JdomWriter() {

    }

    public void write(){

    try {

    SAXBuilder builder = new SAXBuilder();

    Document doc = builder.build("aa.xml");

    XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat()。setEncoding("utf-8"));

    outputter.output(doc, new java.io.FileOutputStream("bb.xml"));

    } catch (JDOMException e) {

    e.printStackTrace();

    } catch (IOException e) {

    e.printStackTrace();

    }

    }

    public static void main(String args[]){

    JdomWriter jd = new JdomWriter();

    jd.write();

    }

    }

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更新時(shí)間2022-03-13 11:05:09【至頂部↑】
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